After my last post, I discovered a side effect of registering the BizTalk Assembly Viewer. The Assembly Viewer is seen, essentially, as a system drive, but one that opens VERY slowly. The side effect is that when you're in Microsoft Office (and possibly other apps) and try to Save As..., the file dialog hangs. I'm not sure if it will eventually respond, but I got tired of waiting and simply unregistered the Assembly Viewer. To unregister: 1. Open up a Visual Studio Command Prompt 2. Navigate to <BizTalk ......

Chances are that for anyone running a development BizTalk machine, you've deployed quite a few solutions as you've tested various things. It's easy enough to delete them from the BTS Administration Console with a right-click, but (assuming you've kept the default properties) they're also sitting in the GAC as well. In most cases this won't cause a problem, but eventually you may run into the dreaded "Message can not be serialized as the schema <schema name> could not be located. Either the ......